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Sophisticated routing and logistics deliver on-time used cooking oil pick-up.


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About Us

Mahoney Environmental – the leader in used cooking oil recycling for over 65 years – is dedicated to you, your restaurant and the environment. Mahoney Environmental recycles used fryer oil, waste cooking oil, and grease trap material, turning these waste products into raw material that can be used to manufacture new products such as animal feed or alternative fuel (biodiesel). Mahoney’s cooking oil services do not stop there. Not only are we a cooking oil disposal company, but Mahoney Environmental also offers grease trap maintenance and installation, equipment design and installation, and fresh cooking oil delivery. These components make Mahoney Environmental the number one choice for all your cooking oil management needs.

mahoney yes we are that innovative


Constantly developing new technologies for cooking oil equipment to suit your needs.


Helping the environment by transforming nearly 100% of recycled materials into useful products.



Nationwide network delivers turnkey efficiency from collection through processing.


From Grease Trap Services to Direct Connection® systems, we keep our operation spotless.

Cooking Oil Experts

Mahoney Environmental has been answering the needs of the food service industry for over 65 years. We have expanded our cooking oil management services to include restaurant grease recycling, waste cooking oil collection, fresh cooking oil delivery (Preferred Oil), and grease trap cleaning, maintenance and pumping. From customized equipment installations and fresh oil delivery, to kitchen grease disposal and food by-product recycling, Mahoney Environmental is the cooking oil experts from delivery to disposal.

The Team

Our people are our greatest asset.

Dave Kimball, President / CEO

Dave joined Mahoney Environmental® as the President and CEO in 2022. He has over 30 years in the real estate and facility management profession at several companies including Verizon, Johnson Controls, Aramark, and Sodexo.

Setchell Circle

John Setchell – President, Mendota Agri-Products

John graduated from Mendota High School in 1988 and starting as a part-time field maintenance hand for Mendota Agri-Products in 1989. John has grown with the organization learning every position within our processing business.


“We put our grease system in over 2 years ago. Mahoney Environmental is fantastic to work with when it comes to installation. They offer several installation solutions so finding one to fit our particular Dairy Queen was easy. The service has been wonderful. The grease gets pumped out of the holding tank overnight before we ever get to the store. Carrying the grease through the parking lot in buckets to empty is a worry we don’t have any more. Since the install we haven’t had one issue with the equipment or the excellent service Mahoney provides. – If you haven’t already considered using Mahoney, you should.”

Ken Morley—Dairy Queen – Canal Winchester, Columbus Ohio

“Along with the cleanliness and safety of the Preferred Oil Equipment, we appreciate the Environmental impact it brings to our facility – We’re Cooking Clean and Green!”

Executive Chef, Issac Holzwarth—Trader Vic’s

“Mahoney’s flexibility with equipment design allows them to customize their system specifically for each location, layout, and space constraints. In addition, they meet our cooking requirements, providing premium oils for the best food quality!”

Executive Chef, Randy Waidner—Gibson’s/Hugo’s Restaurant

After testing the Mahoney Direct Connection system at our first restaurant, our staff fell in love with the flip of a switch solution. No one has to haul hot oil outside in bad weather and/or the dark. Since then, we have installed Mahoney systems at all 18 of our Wendy’s, and never experience any problems.

Jason Graber, Facilities Director — Wendy’s

After using 2 other companies for our oil recycling in our 3 restaurants, another restaurant owner recommended Mahoney. We’ve been with them for almost a year now and they have by far been delivered the best service we have had from anyone in the past 10 years. I highly recommend Mahoney Environmental!

Dan Apolito, Google 5 Star Review

“Had nothing but issues with my last vendor for our retail tenant grease tank. Mahoney came in and placed a brand new tank and new quick connect system that makes life cleaner & easier for both us and the customers. Wish I would have done this years ago.”

Mick Berry, Google 5 Star Review

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